CD4021BE vs CD4027BE

This in-depth comparison of the CD4021BE and CD4027BE provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

CD4021BE

Harris Corporation

Lifecycle: Active
Stock: 7117 PCS
Package: PDIP-16
Series: Logic - Shift Registers

+BOM RFQ

Part B

CD4027BE

Texas Instruments

Lifecycle: Active
Stock: 6471 PCS
Package: PDIP-16
Series: Logic - Flip Flops

+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification	CD4021BE	CD4027BE
Series	4000B	4000B
Part Status	Obsolete	Active
Logic Type	Shift Register	-
Output Type	Push-Pull	Complementary
Number of Elements	1	2
Number of Bits per Element	8	1
Function	Parallel or Serial to Serial	Set(Preset) and Reset
Voltage - Supply	3V ~ 18V	3V ~ 18V
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C (TA)
Mounting Type	Through Hole	Through Hole
Type	-	JK Type
Clock Frequency	-	24 MHz
Max Propagation Delay @ V Max CL	-	90ns @ 15V, 50pF
Trigger Type	-	Positive Edge
Current - Output High Low	-	6.8mA, 6.8mA
Current - Quiescent (Iq)	-	4 µA
Input Capacitance	-	5 pF

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